Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Basis of preparation and changes to the Group's accounting policies - Additional Information (Detail)

v3.23.2
Basis of preparation and changes to the Group's accounting policies - Additional Information (Detail)
€ in Thousands
 6 Months Ended
Dec. 19, 2022
EUR (€)
instrument
Mar. 22, 2022
EUR (€)
Mar. 16, 2022
EUR (€)
Jun. 30, 2022
EUR (€)
Jun. 30, 2023
EUR (€)
Dec. 31, 2022
EUR (€)
Jul. 28, 2022
EUR (€)
Dec. 31, 2021
EUR (€)
Disclosure Of Significant Accounting Policies [Line Items]                
Equity       € 93,639 € (12,656) € 27,758   € (76,651)
Cash and cash equivalents       29,775 [1] 65,150 83,022   24,652 [1]
Non-current portion of non-current borrowings         312,400 269,033    
Lease liabilities         58,667 51,324    
Trade and other current payables         49,454 56,390    
Contract liabilities         1,119 2,442    
Revision of Prior Period, Adjustment                
Disclosure Of Significant Accounting Policies [Line Items]                
Contract liabilities       3,358        
Share premium                
Disclosure Of Significant Accounting Policies [Line Items]                
Equity [2]       365,900 365,900 365,900   € 61,888
Equity contribution (PIPE financing)   € (22,375) € (108,515)          
Private Investment in Public Entity (“PIPE”) Investor                
Disclosure Of Significant Accounting Policies [Line Items]                
Equity contribution (PIPE financing)       (132,690)        
Private Investment in Public Entity (“PIPE”) Investor | Share premium                
Disclosure Of Significant Accounting Policies [Line Items]                
Equity contribution (PIPE financing) [2]       (130,890)        
Private Investment in Public Entity (“PIPE”) Investor | Share premium | Revision of Prior Period, Adjustment                
Disclosure Of Significant Accounting Policies [Line Items]                
Equity contribution (PIPE financing)       € 3,358        
Interest Rate Cap                
Disclosure Of Significant Accounting Policies [Line Items]                
Notional amount € 237,458              
Number of interest rates caps | instrument 2              
Senior Debt Bank Facility                
Disclosure Of Significant Accounting Policies [Line Items]                
Old facility amount             € 50,000  
Repayments of borrowings, classified as financing activities € 170,000              
Renewed facility                
Disclosure Of Significant Accounting Policies [Line Items]                
Old facility amount 230,000         230,000    
Notional amount € 400,000         400,000    
Renewed facility | Minimum                
Disclosure Of Significant Accounting Policies [Line Items]                
Strike price percentage 0.0150              
Renewed facility | Maximum                
Disclosure Of Significant Accounting Policies [Line Items]                
Strike price percentage 0.0343              
Renewed facility | Financing And Refinancing Capital Expenditures                
Disclosure Of Significant Accounting Policies [Line Items]                
Notional amount € 200,000              
Renewed facility | Issuance Of Guarantees And Letters Of Credit                
Disclosure Of Significant Accounting Policies [Line Items]                
Notional amount € 30,000              
Renewed facility | Later than one year                
Disclosure Of Significant Accounting Policies [Line Items]                
Undrawn borrowing facilities         € 77,390 € 120,790    
[1] Refer to Note 2.3 for details regarding the restatement of comparative figures as a result of prior period error correction
[2] Refer to Note 2.3 for details regarding the restatement of comparative figures as a result of prior period error correction